Is it an oxymoron to have a great inclination to stay in bed all morning? If there really was a great inclination, you would just slide out of bed. However, with no inclination at all, you could just sleep all day long.
Now, one might equate inclination with a purpose. If you do, you might catch the dual meaning of the last sentence of the previous paragraph. But, some do not have any inclination at all, not even an inkling.